Principles of the Most Ancient and Modern Philosophy

Quick Facts

• Full title: Principles of the Most Ancient and Modern Philosophy
• Author: Anne Conway
• First publication: Latin edition in 1690, after Conway's death; English edition in 1692
• Main field: metaphysics, the study of what reality is made of
• Main target: dead matter, strict mind-body dualism, and systems that make moral change hard to explain
• Main labels: early modern metaphysics, Christian Platonism, vitalism, spiritual monism

The Problem

Conway is trying to fix a problem in early modern philosophy: what is reality made of, and how can mind, body, life, God, and moral change belong to one world?

Rene Descartes split created reality into two basic substances. Mind is thinking substance. Body is extended substance, meaning stuff with size, shape, and motion. That sounds clear at first, but it creates a huge problem. If mind and body are totally different kinds of thing, how do they belong together in a living person? How does a decision move an arm? How does a wound become pain?

Thomas Hobbes pushes in the opposite direction. He explains reality through matter and motion. Conway thinks that makes nature too dead. If everything is just passive matter moving around, then life, perception, goodness, and spiritual transformation look like afterthoughts.

Baruch Spinoza also rejects simple dualism, but Conway thinks his system risks collapsing God and creation too closely together. She wants one connected reality, but not a world where God and creatures are the same thing.

So the problem is not small. Conway wants a world where God is perfect and unchanging, creatures are real and changeable, bodies and spirits are connected, and moral improvement is built into reality itself.

In One Minute

Principles of the Most Ancient and Modern Philosophy is Anne Conway's only surviving philosophical treatise. It argues that created reality is not split between ghost-like minds and dead bodies. It is one living order.

Conway's basic move is simple: if God is living, good, wise, and just, then creation cannot be made of dead, meaningless stuff. Everything created must have life in some degree. A human being, an animal, a plant, and even the lowest parts of nature are not the same, but they belong to one living continuum.

She organizes reality into three levels: God, Christ or "middle nature," and creatures. God is perfect and unchangeable. Creatures are changeable and can become better or worse. Christ is the mediator who connects God and creatures.

The book matters because it gives a serious alternative to Descartes, Hobbes, and Spinoza. It is also one of the strongest seventeenth-century systems written by a woman, and it sits in the background of later ideas associated with Leibniz, especially living substances and monads.

The Main Argument

Conway begins from God. God is not just a first cause who starts the machine and leaves. God is life, goodness, wisdom, justice, and power at the highest level. If the source of reality is living goodness, Conway thinks creation must reflect that source. A totally dead creation would be too unlike God.

This is why Conway rejects dead matter. Matter, in her view, is not a lifeless block that only moves when something pushes it. What we call body is a dense, less active condition of created substance. What we call spirit is a more refined, active condition of created substance. Body and spirit are not two alien worlds. They are different degrees of one created life.

A simple analogy helps. Think of ice, water, and steam. They can appear very different, but they are not three unrelated substances. Conway is not making a science claim about water. She is giving a metaphysical picture: created things can be more bodily or more spiritual without becoming a completely different kind of stuff.

This lets her answer the mind-body problem. On Descartes's view, mind and body are so different that their union becomes mysterious. Conway says the union is not mysterious in the same way because mind and body are not absolutely separate substances. A person is one living creature expressed in different degrees of subtlety, activity, and clarity.

Conway also builds moral change into the structure of reality. Creatures can improve or decline. Improvement means becoming more active, clear, harmonious, and spirit-like. Decline means becoming more hardened, confused, passive, and bodily. Evil is not a second god or an equal cosmic force. It is a creature's disorder, a movement away from goodness.

Because creatures can change, punishment cannot be merely revenge. Conway thinks punishment should repair. Pain is connected to corruption, but its purpose is purgative: it pushes a creature back toward healing. If someone becomes cruel, the cruelty is not just a legal fault. It damages the creature's own condition. The hardening itself becomes painful and needs transformation.

That is why Conway rejects the idea of endless punishment for finite sins. An infinitely good and just God would not torture creatures forever with no restorative purpose. Since no creature can become pure evil, every creature keeps some remaining capacity for good. That remaining goodness is the opening for restoration.

The book's strange-looking theological structure matters here. Conway's three levels are God, Christ, and creatures. God is perfectly unchangeable. Creatures are changeable. Christ, as "middle nature," bridges the gap. This is not just church language pasted onto philosophy. It is Conway's way of explaining how a perfect God can relate to changing creatures without becoming changeable himself and without abandoning creation to distance.

The result is a living metaphysics. Reality is not a pile of dead things. It is not a machine with souls awkwardly inserted into it. It is not one substance where God and world blur together. It is a created living order, dependent on God, capable of motion and perception, and aimed toward moral restoration.

Key Ideas With Examples

• Living substance: created things are alive in some degree. This does not mean a rock thinks like a person. It means the created world is not made of utterly dead stuff. A plant grows and responds; an animal feels and moves; a person reasons and chooses. These are different levels of living activity.

• Spiritual monism: "monism" means a one-stuff view. Conway's version says created reality is one kind of living substance, not two unrelated kinds called mind and body. It is "spiritual" because the basic character of created substance is life, activity, and perception, not dead extension.

• Body and spirit as degrees: body and spirit are not two separate substances. Body is created life in a denser, less active state. Spirit is created life in a subtler, more active state. Example: a cruel person becomes more "hardened" in Conway's moral language; a healed or improved creature becomes more refined.

• The mind-body problem: this is the question of how mind and body connect. If my mind is completely nonphysical and my body is just extended matter, it is hard to explain how wanting coffee makes my hand lift the cup. Conway avoids the problem by denying the sharp split.

• Middle nature: Christ is the mediator between God and creatures. God is unchangeable. Creatures change. Middle nature connects them, so creation can receive life and order from God without God turning into one changing creature among others.

• Perfectibility: every creature can become better. "Perfectible" does not mean a creature can become God. It means creatures can grow in goodness without a fixed ceiling. A person who becomes more patient, honest, and clear-sighted is not only behaving better; in Conway's system, they are becoming better in their whole condition.

• Purgative punishment: punishment is meant to cleanse and restore. Think of painful physical therapy after an injury. The pain is real, but the point is recovery, not pointless suffering. Conway applies that pattern to moral and spiritual disorder.

• Critique of dead matter: Conway thinks lifeless matter cannot explain living experience. If nature is only passive stuff pushed around from outside, then perception and moral growth become hard to place. Her answer is that life runs all the way down, though in many different degrees.

• God and creation: Conway keeps God and creatures distinct. God is the source of life. Creatures depend on God and resemble God in limited ways. But creatures are not pieces of God, and God is not just another name for the universe.

Why It Matters

This book matters because it gives a clean alternative to the standard early modern menu. You do not have to choose between Cartesian dualism, Hobbesian materialism, and Spinoza's one-substance system. Conway offers another option: one living created order under God.

It also matters because it makes the mind-body issue concrete. The usual textbook version is "How can mind interact with body?" Conway's answer is: stop treating them as alien substances. A living person is not a ghost driving a machine. A living person is one creature with bodily and spiritual degrees.

The book is also important for discussions of vitalism and panpsychism. Vitalism says life is basic, not reducible to dead mechanism. Panpsychism says mentality or experience exists throughout nature in some form. Conway is not a modern panpsychist in the usual sense, but she is asking a similar question: is experience an exception in a dead universe, or is nature already alive in degrees?

It matters historically because Conway was not writing from a university post. She was a woman in seventeenth-century England, educated through correspondence and private networks, working around institutions that excluded her. Even so, her treatise speaks directly to the biggest metaphysical fights of her century.

The book also matters because of Leibniz. Conway's living created substances are not exactly Leibniz's monads, but the resemblance is real enough that scholars still discuss the connection. The safest version is this: Conway belongs in the background of Leibniz's later metaphysics, especially the idea that reality is made of active, perception-like centers rather than dead stuff.

Proponents, Critics, and Opponents

Anne Conway is the author, and the book is the best place to understand her system. It grows out of the Cambridge Platonist world, especially her long intellectual connection with Henry More, but it does not simply repeat that world. Conway pushes Platonist themes of spirit, life, hierarchy, and goodness into a sharper metaphysical system.

The clearest opponent is Rene Descartes. Conway thinks his sharp distinction between thinking substance and extended substance creates more problems than it solves. Meditations on First Philosophy and Principles of Philosophy stand behind the kind of Cartesian system she is trying to escape.

Thomas Hobbes is another opponent because his materialism treats reality as matter in motion. Conway thinks that cannot explain life, perception, and moral transformation. Leviathan is mostly a political work, but Hobbes's larger materialist worldview is part of what Conway resists.

Baruch Spinoza is both near and far. Like Conway, he rejects the simple mind/body split. Unlike Conway, he argues in Ethics for one infinite substance, God or Nature. Conway wants unity, but she keeps the creator-creature distinction. God is not the world, and creatures are not merely modes of God in Spinoza's sense.

Leibniz is the major later comparison. His Monadology also rejects dead matter as ultimate and describes reality through active substances with perception. Conway's influence on Leibniz is debated, but the overlap is important: both make activity and perception more basic than inert matter.

Kabbalah, Quakerism, and Platonism are also part of the background. Kabbalah helped Conway think about mediation, emanation, and layered creation. Quakerism fits her stress on inward transformation and divine life. Platonism gives her the older pattern of reality as a moral and spiritual order, not just a mechanical arrangement.

Critics can push Conway from several directions. A Cartesian can say she blurs distinctions too much: if body and spirit are degrees, what exactly makes thinking different from extension? A materialist can say she gives too much life to nature without enough evidence. A Spinozist can say she keeps too much theology and mediation instead of accepting a simpler one-substance view. Those criticisms are fair pressure points, but they also show why the book is interesting. Conway is not just repeating the famous systems. She is building a live alternative.

Related Pages

• Anne Conway
• Rene Descartes
• Thomas Hobbes
• Baruch Spinoza
• Leibniz
• Meditations on First Philosophy
• Principles of Philosophy
• Leviathan
• Ethics
• Monadology
• Platonism
• Kabbalah
• Early Modern Metaphysics